109006901 has 2 divisors, whose sum is σ = 109006902.
Its totient is φ = 109006900.
The previous prime is 109006897. The next prime is 109006903. The reversal of 109006901 is 109600901.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 102111025 + 6895876 = 10105^2 + 2626^2
It is a cyclic number.
It is not a de Polignac number, because 109006901 - 22 = 109006897 is a prime.
Together with 109006903, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (109006903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54503450 + 54503451.
It is an arithmetic number, because the mean of its divisors is an integer number (54503451).
Almost surely, 2109006901 is an apocalyptic number.
It is an amenable number.
109006901 is a deficient number, since it is larger than the sum of its proper divisors (1).
109006901 is an equidigital number, since it uses as much as digits as its factorization.
109006901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 486, while the sum is 26.
The square root of 109006901 is about 10440.6370016393.
The cubic root of 109006901 is about 477.6956989564.
The spelling of 109006901 in words is "one hundred nine million, six thousand, nine hundred one".